Integrated circuit for controlling power converter by frequency

Details Integrated circuit for controlling power converter by frequency Integrated circuit for controlling power converter by frequency

1987-05-04

1988-03-22

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307265, 307269, 307271, H03K 301, H03K 501, H03K 708

Patent

active

047331046

ABSTRACT:
An integrated circuit contains the gate drivers and the control components for constructing a DC power supply in any of the most popular converter topologies. Multi-function elements in the control circuit minimize the area of the chip. The integrated circuit drives both the upper and lower switches of a half-bridge converter and separately regulates two power supply output voltages, one by pulse width modulation and the other by frequency modulation.

REFERENCES:
patent: 4061930 (1977-12-01), Nerem
patent: 4125814 (1978-11-01), Baker
patent: 4146801 (1979-03-01), Vali et al.
patent: 4188547 (1980-02-01), Fox
patent: 4494134 (1985-01-01), Wildi et al.
Wildi etal., A Highly Integrated 500V/25A Smart Half Bridge, ISSCC Conf., (Feb. 1985).
Kohno et al., Single-Ended DC-to-DC Converter With Two Individually Controlled Outputs, FUJITSU Scientific and Tech. J., (Mar. 1980).
Deisch, Simple Switching Control Method Changes Power Converter Into a Current Source, Power Elec. Spec. Conf., (1978).

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